prettyness police

[unix-history] / usr / src / bin / sleep / sleep.c

diff --git a/usr/src/bin/sleep/sleep.c b/usr/src/bin/sleep/sleep.c
index cba8f20..714468b 100644 (file)
--- a/usr/src/bin/sleep/sleep.c
+++ b/usr/src/bin/sleep/sleep.c
@@ -1,35 +1,54 @@
 /*
 /*

- * Copyright (c) 1988 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1988, 1993
+ *     The Regents of the University of California.  All rights reserved.

  *
  * %sccs.include.redist.c%
  */
 
 #ifndef lint
  *
  * %sccs.include.redist.c%
  */
 
 #ifndef lint

-char copyright[] =
-"@(#) Copyright (c) 1988 Regents of the University of California.\n\
- All rights reserved.\n";
+static char copyright[] =
+"@(#) Copyright (c) 1988, 1993\n\
+       The Regents of the University of California.  All rights reserved.\n";

 #endif /* not lint */
 
 #ifndef lint
 #endif /* not lint */
 
 #ifndef lint

-static char sccsid[] = "@(#)sleep.c    5.5 (Berkeley) %G%";
+static char sccsid[] = "@(#)sleep.c    8.2 (Berkeley) %G%";

 #endif /* not lint */
 
 #endif /* not lint */
 

-#include <unistd.h>

 #include <stdio.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdlib.h>

+#include <unistd.h>
+
+void usage __P((void));

 
 

+int

 main(argc, argv)
        int argc;
 main(argc, argv)
        int argc;

-       char **argv;
+       char *argv[];

 {
 {

-       int secs;
+       int ch, secs;
+
+       while ((ch = getopt(argc, argv, "")) != EOF)
+               switch(ch) {
+               case '?':
+               default:
+                       usage();
+               }
+       argc -= optind;
+       argv += optind;
+
+       if (argc != 1)
+               usage();

 
 

-       if (argc != 2) {
-               (void)fprintf(stderr, "usage: sleep time\n");
-               exit(1);
-       }
-       if ((secs = atoi(argv[1])) > 0)
+       if ((secs = atoi(*argv)) > 0)

                (void)sleep(secs);
        exit(0);
 }
                (void)sleep(secs);
        exit(0);
 }

+
+void
+usage()
+{
+
+       (void)fprintf(stderr, "usage: sleep seconds\n");
+       exit(1);
+}